What is Peter T. Simonson, M.D., P.L.L.C.'s NPI number?

Peter T. Simonson, M.D., P.L.L.C.'s National Provider Identifier (NPI) is 1851448880, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What type of organization is Peter T. Simonson, M.D., P.L.L.C.?

Peter T. Simonson, M.D., P.L.L.C. is classified in the NPPES registry as Specialist (Other Service Providers).

Where is Peter T. Simonson, M.D., P.L.L.C. located?

Peter T. Simonson, M.D., P.L.L.C.'s practice location on file with NPPES is 257 Lafayette Ave Ste 120, Suffern, NY 10901-4832.

What is Peter T. Simonson, M.D., P.L.L.C.'s phone number?

The practice phone number listed in the NPPES registry for Peter T. Simonson, M.D., P.L.L.C. is (845) 369-9100.

Does Peter T. Simonson, M.D., P.L.L.C. accept Medicare?

Peter T. Simonson, M.D., P.L.L.C. is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.

Who is the authorized official for Peter T. Simonson, M.D., P.L.L.C.?

The authorized official listed on Peter T. Simonson, M.D., P.L.L.C.'s NPPES record is Peter Simonson, Doctor. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.

Is Peter T. Simonson, M.D., P.L.L.C.'s NPI active?

Yes — Peter T. Simonson, M.D., P.L.L.C.'s NPI (1851448880) is active in the NPPES registry as of the last update on 2026-01-08.

OrganizationActiveAccepts Medicare

Peter T. Simonson, M.D., P.L.L.C.

NPI 1851448880 · Specialist · Suffern, NY

Peter T. Simonson, M.D., P.L.L.C. is a Specialist organization in Suffern, NY (NPI 1851448880).

Provider details

NPI number: 1851448880
Entity type: Organization
Primary specialty: SpecialistOther Service Providers
Organization subpart: No
Authorized official: Peter Simonson, Doctor(845) 369-9100
License: 176473 (NY)

Practice location

257 Lafayette Ave Ste 120

Suffern, NY 10901-4832

Phone: (845) 369-9100

Fax: (845) 369-6738

Street-level locationGet directions

More NY providers

Mailing address

257 Lafayette Ave Ste 120

Suffern, NY 10901-4832

Specialties & taxonomies

SpecialistPrimary174400000XLicense 176473 (NY)
Other Service Providers

Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)

Profile Score

Detailed profile(90/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure38% of score
19 yrs in NPPES registry
Profile completeness38% of score
100% of core fields populated
Practice footprint23% of score
1 documented practice location

Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.

Enumerated: 2007-01-04
Last updated: 2026-01-08
Certified: 2026-01-08

Frequently asked questions

What is Peter T. Simonson, M.D., P.L.L.C.'s NPI number?: Peter T. Simonson, M.D., P.L.L.C.'s National Provider Identifier (NPI) is 1851448880, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What type of organization is Peter T. Simonson, M.D., P.L.L.C.?: Peter T. Simonson, M.D., P.L.L.C. is classified in the NPPES registry as Specialist (Other Service Providers).
Where is Peter T. Simonson, M.D., P.L.L.C. located?: Peter T. Simonson, M.D., P.L.L.C.'s practice location on file with NPPES is 257 Lafayette Ave Ste 120, Suffern, NY 10901-4832.
What is Peter T. Simonson, M.D., P.L.L.C.'s phone number?: The practice phone number listed in the NPPES registry for Peter T. Simonson, M.D., P.L.L.C. is (845) 369-9100.
Does Peter T. Simonson, M.D., P.L.L.C. accept Medicare?: Peter T. Simonson, M.D., P.L.L.C. is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
Who is the authorized official for Peter T. Simonson, M.D., P.L.L.C.?: The authorized official listed on Peter T. Simonson, M.D., P.L.L.C.'s NPPES record is Peter Simonson, Doctor. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
Is Peter T. Simonson, M.D., P.L.L.C.'s NPI active?: Yes — Peter T. Simonson, M.D., P.L.L.C.'s NPI (1851448880) is active in the NPPES registry as of the last update on 2026-01-08.

Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.

Provider details

Practice location

Mailing address

Specialties & taxonomies

Profile Score

Registry dates

Frequently asked questions

Specialties & taxonomies

Profile Score

Frequently asked questions